LOG-13599 Attempt to fix Travis builds (#9)

LOG-13599 Attempt to fix Travis builds

Author: rjacobs-r7

.travis.yml

@@ -1,8 +1,10 @@
 language: java
 jdk:
-  - openjdk7
-  - oraclejdk7
-  - oraclejdk8
+  - openjdk8
+  - openjdk9
+  - openjdk10
+  - openjdk11
+  - openjdk12
 before_install:
   # override default MAVEN_OPTS
   - echo "MAVEN_OPTS='-Xms1g -Xmx2g -XX:MaxPermSize=512m'" > ~/.mavenrc
@@ -11,4 +13,4 @@ before_install:
   - sudo hostname "$(hostname | cut -c1-63)"
   - sed -e "s/^\\(127\\.0\\.0\\.1.*\\)/\\1 $(hostname | cut -c1-63)/" /etc/hosts > /tmp/hosts
   - sudo mv /tmp/hosts /etc/hosts
-  - cat /etc/hosts # optionally check the content *after*
+  - cat /etc/hosts # optionally check the content *after*

pom.xml

@@ -43,8 +43,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>2.0.2</version>
                 <configuration>
-                    <source>1.6</source>
-                    <target>1.6</target>
+                    <source>1.8</source>
+                    <target>1.8</target>
                 </configuration>
             </plugin>
             <plugin>